buffer_copy.c

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#include "buffer.h"

int buffer_copy(buffer *bout,buffer *bin)
{
  int n;
  char *x;

  for (;;) {
    n = buffer_feed(bin);
    if (n < 0) return -2;
    if (!n) return 0;
    x = buffer_PEEK(bin);
    if (buffer_put(bout,x,n) == -1) return -3;
    buffer_SEEK(bin,n);
  }
}